(2011). Dropping out: Why students drop out of high school and what can be done about it / Russell W. Rumberger.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Dropping Out: Why Students Drop Out of High School and What Can Be Done About It / Russell W. Rumberger. 2011.
MLA -ийн эшлэл (9 дэх хэвлэлт)Dropping Out: Why Students Drop Out of High School and What Can Be Done About It / Russell W. Rumberger. 2011.
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